Assembly for high-speed optical transmitter or receiver
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United States of America Patent
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Mar 22, 2005
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N/A
app pub date -
Jul 1, 2003
filing date -
Jul 2, 2002
priority date (Note) -
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Abstract
An optical assembly is provided that is capable of high speed operation using a vertical cavity laser such as a vertical cavity surface emitting laser (VCSEL). The optical assembly is configured to have a small form factor and uses an angled surface of an embedded fiber to internally reflect a beam from the VCSEL along the length of the fiber. The angled surface is coated to ensure that a small portion of the beam is transmitted through the fiber out of the angled surface into a monitoring diode. This geometry provides high coupling efficiency and facilitates direct active alignment between the fiber and the VCSEL.
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